Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common

Black, tarry stools

bleeding gums

blood in the urine or stools

chest pain

chills

cough

fever

painful or difficult urination

pale skin

pinpoint red spots on the skin

shortness of breath

sore throat

sores, ulcers, or white spots on the lips or in the mouth

swollen glands

troubled breathing with exertion

unusual bleeding or bruising

unusual tiredness or weakness

Less common

Blurred vision

confusion

cough

difficulty with swallowing

dizziness

dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position

fast heartbeat

feeling of warmth

headache

hives

itching

nervousness

numbness or tingling in the fingers or toes

pounding in the ears

puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue

redness of the face, neck, arms, and occasionally, upper chest

skin rash

slow or fast heartbeat

sweating

tightness in the chest

wheezing

Rare

Bone pain

Incidence not known

Abdominal or stomach pain, severe

blistering, peeling, or loosening of the skin

cough or hoarseness

dark urine

diarrhea

difficult breathing

drowsiness

joint or muscle pain

loss of appetite

lower back or side pain

muscle tremors

nausea or vomiting

rapid, deep breathing

red, irritated eyes

red skin lesions, often with a purple center

restlessness

seizures

stomach cramps

yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

Hair loss or thinning of the hair

swelling or inflammation of the mouth

weight loss

Incidence not known

Bad, unusual, or unpleasant (after) taste

change in taste

constipation

cracked lips

general feeling of discomfort or illness

heartburn

lack or loss of strength

pain or burning in the throat

sleepiness or unusual drowsiness

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.